Demonstrates elevated kinase activity in Parkinson's disease, suggesting biochemical stratification is crucial for treatment.
LRRK2 kinase activity is enhanced in patients with PD carrying LRRK2 p.G2385R, with further elevation observed in a small group of double-variant carriers. Elevated kinase activity in a subset of iPD underscores the relevance of LRRK2 signaling and therapeutics beyond coding variants. The observed interindividual variability indicates additional genetic or environmental modifiers and highlights the need for biochemical stratification beyond genotyping in future LRRK2 trials.
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Toh et al. (2026) studied this question.
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